Use SpatialBundle/TransformBundle in examples (bevyengine#6002)

Does what it do

Co-authored-by: devil-ira <[email protected]>

Author: tim-blackbird

examples/2d/mesh2d_manual.rs

@@ -102,15 +102,12 @@ fn star(
         ColoredMesh2d::default(),
         // The `Handle<Mesh>` needs to be wrapped in a `Mesh2dHandle` to use 2d rendering instead of 3d
         Mesh2dHandle(meshes.add(star)),
-        // These other components are needed for 2d meshes to be rendered
-        Transform::default(),
-        GlobalTransform::default(),
-        Visibility::default(),
-        ComputedVisibility::default(),
+        // This bundle's components are needed for something to be rendered
+        SpatialBundle::VISIBLE_IDENTITY,
     ));
-    commands
-        // And use an orthographic projection
-        .spawn(Camera2dBundle::default());
+
+    // Spawn the camera
+    commands.spawn(Camera2dBundle::default());
 }
 
 /// A marker component for colored 2d meshes

examples/animation/custom_skinned_mesh.rs

@@ -121,17 +121,14 @@ fn setup(
     for i in -5..5 {
         // Create joint entities
         let joint_0 = commands
-            .spawn((
-                Transform::from_xyz(i as f32 * 1.5, 0.0, 0.0),
-                GlobalTransform::IDENTITY,
-            ))
+            .spawn(TransformBundle::from(Transform::from_xyz(
+                i as f32 * 1.5,
+                0.0,
+                0.0,
+            )))
             .id();
         let joint_1 = commands
-            .spawn((
-                AnimatedJoint,
-                Transform::IDENTITY,
-                GlobalTransform::IDENTITY,
-            ))
+            .spawn((AnimatedJoint, TransformBundle::IDENTITY))
             .id();
 
         // Set joint_1 as a child of joint_0.

examples/shader/shader_instancing.rs

@@ -32,8 +32,7 @@ fn main() {
 fn setup(mut commands: Commands, mut meshes: ResMut<Assets<Mesh>>) {
     commands.spawn((
         meshes.add(Mesh::from(shape::Cube { size: 0.5 })),
-        Transform::from_xyz(0.0, 0.0, 0.0),
-        GlobalTransform::default(),
+        SpatialBundle::VISIBLE_IDENTITY,
         InstanceMaterialData(
             (1..=10)
                 .flat_map(|x| (1..=10).map(move |y| (x as f32 / 10.0, y as f32 / 10.0)))
@@ -44,8 +43,6 @@ fn setup(mut commands: Commands, mut meshes: ResMut<Assets<Mesh>>) {
                 })
                 .collect(),
         ),
-        Visibility::default(),
-        ComputedVisibility::default(),
         // NOTE: Frustum culling is done based on the Aabb of the Mesh and the GlobalTransform.
         // As the cube is at the origin, if its Aabb moves outside the view frustum, all the
         // instanced cubes will be culled.

examples/stress_tests/many_foxes.rs

@@ -111,10 +111,7 @@ fn setup(
         let (base_rotation, ring_direction) = ring_directions[ring_index % 2];
         let ring_parent = commands
             .spawn((
-                Transform::default(),
-                GlobalTransform::default(),
-                Visibility::default(),
-                ComputedVisibility::default(),
+                SpatialBundle::VISIBLE_IDENTITY,
                 ring_direction,
                 Ring { radius },
             ))

examples/stress_tests/transform_hierarchy.rs

@@ -367,11 +367,7 @@ fn spawn_tree(
     }
 
     // insert root
-    ents.push(
-        commands
-            .spawn((root_transform, GlobalTransform::default()))
-            .id(),
-    );
+    ents.push(commands.spawn(TransformBundle::from(root_transform)).id());
 
     let mut result = InsertResult::default();
     let mut rng = rand::thread_rng();
@@ -417,7 +413,7 @@ fn spawn_tree(
             };
 
             // only insert the components necessary for the transform propagation
-            cmd.insert((transform, GlobalTransform::default()));
+            cmd.insert(TransformBundle::from(transform));
 
             cmd.id()
         };